Radio Links

Connection of two points by non-visible electromagnetic waves is known as radio link

Types

• Extremely Low Frequency(ELF)

• Very Low Frequency(VLF)

• Low Frequency(LF)

• Medium Frequency (MF)

• High Frequency (HF)

• Very High Frequency (VHF)

• Ultra High Frequency (UHF)

• Super High Frequency (SHF)